Fixed compiler warning under gcc 4.3.2 (Ubuntu 8.10).
Fixed compiler warning under gcc 4.3.2 (Ubuntu 8.10).

svn path=/trunk/libavg/; revision=4688

yyd01245/libavg,yyd01245/libavg,th3infinity/libavg,hoodie/libavg,libavg/libavg,scotty007/libavg,hoodie/libavg,hoodie/libavg,scotty007/libavg,libavg/libavg,th3infinity/libavg,libavg/libavg,yyd01245/libavg,scotty007/libavg,hoodie/libavg,th3infinity/libavg,scotty007/libavg,libavg/libavg,th3infinity/libavg,yyd01245/libavg